Expanded PTFE (ePTFE) Sheet for Sealing, Chemical Resistance and Industrial Applications

product details

Description

Expanded PTFE sheet is an extremely compressible sealing material manufactured from 100% virgin PTFE. It is food approved and offers excellent resistance to a wide range of chemicals, making it a preferred sealing solution in hygienic and chemically aggressive environments. Due to its high conformability and low bolt load requirement, expanded PTFE is especially suitable for delicate, worn, or damaged flanges. The material can withstand compressive loads exceeding 40,000 psi without loss of sealing performance.


Features

  • Made from 100% virgin expanded PTFE

  • Operating temperature range from -240 °C to +260 °C (peak up to +315 °C)

  • Extremely soft and highly compressible

  • Excellent resistance to a wide range of chemicals

  • Low bolt load required for effective sealing

  • Resistant to ozone, UV, and corona

  • Does not become brittle with age


Applications

Expanded PTFE sheet is commonly converted into gaskets and used in the food, beverage, and pharmaceutical industries, as well as in chemical processing applications. It is ideal for sealing fragile, worn, or uneven flanges, ensuring reliable sealing performance while minimizing flange stress.


Technical Data Sheet

No.PropertiesUnitValue
1Densityg/cm³0.9
2Tensile strengthMPa25
3Operation PressurePSI3000 
4Compressivee StrengthMpa≤18
5Compression ASTM F 36 M%50 
6Recovery ASTM F 36 M%16 
7Creep (@100℃, 22H)%70 
8Working Temperature°C-240℃~260℃
9Melting Temperature°C320℃
10Chemical ResistancePH0~14
11FlammabilityUL94V-0


Product NameThicknessCommon Size
Expanded PTFE Sheet0.5, 1.0, 1.5, 2.0, 2.5, 3.0, 4.0, 5.0, 6.0, 9.0, 10.0mm1000x1000mm
1500x1500mm
1500x3000mm
1500x4500mm


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